power law of distribution 中文意思是什麼

power law of distribution 解釋
指數分佈定律
  • power : n 1 力,力量;能力;體力,精力;(生理)機能;〈常 pl 〉才能。2 勢力,權力,權限;威力;政權;權...
  • law : n 勞〈姓氏〉。n 1 法律,法令;法典。2 法學;訴訟;司法界;律師(界),律師職務。3 (事物或科學的...
  • of : OF =Old French 古法語。
  • distribution : n 1 分配,分發,配給;分配裝置[系統];配給品;配給量;【經濟學】配給方法,配給過程;分紅;【法律...
  1. Given the initial conditions including ( 1 ) number density distribution in space which has the similar form to the present day ones, ( 2 ) both the power law and gaussian mass functions for clusters, and ( 3 ) two different velocity distributions which one has a constant dispersion and the other is described by the eddington formula, the dynamical evolution of globular clusters in our milky way galaxy is investigated in detail by means of monte carlo simulations

    本文採用與觀測結果具有相同形式的球狀星團空間密度分佈函數,在給定兩種球狀星團系統的初始質量譜(冪律的和對數高斯的)和兩種球狀星團系統的初始速度分佈函數(愛丁頓速度分佈函數和常數的速度彌散度)條件下,我們採用montecarlo的方法對球狀星團系統的動力學演化進行討論。
  2. In chapter3, we discuss the multiplicate progressive stresses accelerated life test. under the weibull distribution and an invers power law model we first present a necessary and sufficient condition for the existence and uniqueness of mle for the exponential distribution, then give estimators and confidence intervals of the parameters based on the blue. finally, we study them by using monte - carlo simulation

    第三章首先指出了一組序進應力加速壽命試驗下weibull分佈分佈參數的mle不唯一,然後給出了p組序進應力加速壽命試驗下指數分佈的mle存在和唯一的一個充要條件,並用隨機模擬的方法研究比較了參數估計的優良性,最後給出了p組序進應力加速壽命試驗下weibull分佈中參數的點估計和區間估計,討論了有關問題,給出模擬實例。
  3. The notions of distribution of civil enforcement power : a comparative law respective

    論參與分配製度中的優先原則與平等原則
  4. By statistical computation we prove that the confluence process of jiangjia ravine obeys the power - law frequency - area distribution

    本文通過統計計算得到,蔣家溝泥石流匯流和流量過程在暴發頻率與泥石流總徑流量上服從負冪律分佈。
  5. With the development of urban economy and reconstruction of power system network, distribution system is required to be layout scientifically and rationally. at the same time with the development and deepening of the management of electric power company, the operation of electric power law and the promises system of electric service, the reliability of electric supply plays a more and more important part in the processing and management of power system

    城市經濟的迅速發展和城網改造的開展,迫切要求對配電網進行科學、合理的規劃,同時隨著電力企業管理工作的開展和深化,以及《電力法》的實施和電力服務承諾制的開展,供電可靠性在生產和管理工作中所佔的位置也越來越重要。
  6. The endurance function of the insulation field is widely concerned in the power system. according to the equality between the two dimensional weibull distribution and the law of electrical aging, after the method for estimation of the voltage endurance coefficient is presented by the maximum likelihood estimation and the minimum square estimation of the two dimensional weibull distribution parameters, on the basis of the analysis of the test disadvantages under invariable voltage, the method of obtaining the voltage endurance coefficient under the intension increased by degrees is considered

    電氣絕緣電老化性能是電力系統普遍關注的問題,由於二元weibull分佈與電老化定律在評價絕緣老化特性上存在等價性,本文首先介紹了二元weibull分佈參數採用極大似然法和最小二乘法估計獲得電壓壽命指數的方法,同時在分析其在恆定電壓下試驗容易出現,由於電壓選擇不當導致試驗時間過長現象的基礎上,討論了利用場強遞增方式確定電壓壽命指數的方法。
  7. The number density distribution of globular cluster in space will change with time due to the dynamic evolution, especially for those in the central region of the galaxy ; 5. for the power law initial cluster mass function, the peak value of the mass function after the dynamic evolution is sensitive to the lower limit of the initial mass function we adopt. the suggested value in this paper is - 104m, which is consistent with that reduced from the dynamical analyses for the giant molecular clouds

    對于冪率的初始質量譜,球狀星團系統動力學演化后質量分佈的轉折點質量主要是由初始質量函數的質量下限決定的,最為適合的值為10 ~ 4m _ ;冪率的初始質量譜的譜指數對球狀星團系統動力學演化后質量分佈的轉折點質量也有影響,其最佳值為1 . 5 2 . 0 ;經過大約5gyr的動力學演化,冪率的初始質量譜就會演化成為高斯的對數質量分佈並具有在隨后的動力學演化中保持對數高斯形式質量分佈的特性。
  8. Comparing with the current observations, which include the number density distribution in space, mass function, etc., the so - called standard modes for both the power law and gaussian cluster initial mass functions are selected among many runs of simulations. the deviation from the standard modes, which is resulted from the change of the parameter for the initial conditions, is discussed in detail. the discussion of the model parameters is also presented although they are adopted as the typical values based on previous work

    對應一定的初始分佈我們發現無論是冪律的還是對數高斯的球狀星團初始質量譜經過長時間的動力學演化都會得到和現在銀河系觀測到的球狀星團系統相符的對數高斯的質量分佈;動力學演化會明顯地改變球狀星團系統的空間密度分佈,靠近銀心區域的球狀星團瓦解得更多;經過動力學演化后的球狀星團速度分佈函數在靠近銀心的區域明顯得不同於初始分佈,初始擁有較大軌道偏心率的球狀星團更容易瓦解。
  9. They should enjoy the proprietary of the security and ask for rights in accordance with the law, particularly including : right of asking for the company ' s surplus distribution ; right to vote ; right to propose and inquire ; right to know ; the power of alienation of the securities ; right of asking for the distribution of assets of surplus ; right of having priority to take up ; right to claim

    投資者具有雙重身份:上市公司的股東或債權人、證券交易者,應依法享有證券財產權和證券請求權,具體來講包括:公司盈餘分配請求權;表決權;建議和質詢權、知情權;證券轉讓權;剩餘財產分配請求權;優先認購權;訴權。
  10. Power law of distribution

    指數分佈定律
  11. Furthermore, we calculate the kinetic energy, the disorder energy of these systems and give a deep understanding of the thermodynamic characters of the finite systems. the mass ( charge ) distribution of fragments is also studied and the " exponents of power - law " at the " critical temperature " are obtained for a series of systems

    類比于熱力學中的一些思想,我們對于體系的無規能量(內能)以及體系的徑向運動動能等進行了研究,探討了體系在相變過程中的動能及內能的變化趨勢與規律。
  12. It was found be compared the two - phase flow of power law fluid - solid with that of liquid - solid that the fluid velocity of power law fluid - solid was bigger than that of liquid - solid and the particle velocity distribution of power law fluid - solid was flatter than that of liquid - solid

    對帶顆粒的冪律流體的兩相流流動與液固兩相流流動做了比較,冪律流體兩相流的流體速度在管道中心附近的大部分區域比液固兩相流的流體速度流動的速度大,而顆粒相的速度分佈比較平坦。
  13. Moreover, the data processing method of accelerated life test is used to solve the problem of the reliability data conversion under different operating status to liquid rocket engine. and the counter power law model is introduced as the relation model between the characteristic life and the combustion chamber pressure, the accelerated life equation of the constant stress accelerated life test for the weibull distribution is obtained, through the accelerated life equation, the reliability estimate of different combustion chamber pressure is calculated

    再次,採用加速壽命試驗的數據處理方法對液體火箭發動機不同工況下可靠性數據折算的問題進行了研究,引入逆冪律模型作為特徵壽命與燃燒室壓力之間的關系模型,得到了weibull分佈下恆定應力加速試驗的加速壽命方程,並通過加速壽命方程折算出不同室壓下的可靠度估計。
  14. Abstract : focused on the metal plastic forming of valve bodies for power plant boiler, a new process named “ shear extrusion ” is described in this paper. the numerical simulation analysis is carried out by using the 3 - d deform software to predict the distribution of velocity, stress, strain and temperature fields during the forming process and the flow law of metal. then the numerical simulation results are testified by simulative experiment. finally, large - size valve bodies have been successfully formed by the screw press

    文摘:針對電站鍋爐用大型截止閥體的製造新工藝? 「剪切擠壓」 ,利用數值模擬的方法對剪擠工藝進行研究,得到了成形過程中速度、應力、應變及溫度場等的分佈及金屬流動規律,並通過物理模擬實驗進行了驗證,進而為獲得閥體剪擠製造的最佳成形工藝參數提供可靠依據。
  15. In this more global framework, it would be surprising if the characteristic parameters of the slow instabilities that span a large range of scales ( duration, dimension and amplitude ) did not obey a power - law distribution, just as earthquakes do

    在這種更加全球化的框架下,如果跨越很大標度期間、尺寸大小和放大倍數的緩慢的不穩定性因素的特性指標不遵循動力法則分佈,象地震進行的那樣,那才令人奇怪呢。 」
  16. Recently, complex networks attract more and more attentions from various fields of science and engineering. scale - free network is one of the most important complex network models, where the degree distribution obeys a power law form, like the internet and the www

    復雜網路近年來受到來自各個領域的越來越多的關注,其中無標度網路是復雜網路研究中最重要的模型之一,它遵從冪律分佈,如我們的www網路。
  17. In the term of extreme value theory, especially, extreme distribution - ii, the 4th chapter amends power law regulation, which makes up parametric estimating problem of extreme value method. as these results, a new method to estimate var, based on laplace & extreme value - ii distribution is put forward

    論文第四章,通過研究極值ii型分佈,從順序統計量的角度出發,研究極值分佈的尾部展開的一些性質,提出了一種估計極值分佈參數的方法,完善了極值理論的參數估計問題,結合實際應用提出了laplace極值混合分佈和一種估計var的新方法。
  18. Along with r ka albert, we have used computer simulations and calculations to show that a growing network with preferential attachment will indeed become scale - free, with its distribution of nodes following a power law

    艾伯特與我透過電腦模擬與計算出來的結果顯示:具有優先連結的特性並且持續成長的網路,確實會變成無尺度網路,而且其中節點的分佈將符合冪次定律。
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